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曲線下面積
Author:
yuchengda
曲線下面積
GeoGebra
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盈利與虧蝕
椭圆内切圆链
常见四边形是否是双心四边形
球体的截面
斐波那契螺旋弧线(表格法-可动态调节)
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正四面體
常態分布和標準差 Normal Distribution and Standard Deviation
小四平面圖形學習單
畢氏定理
基础知识
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Isosceles Triangles
Curve Sketching
Logarithm
Quadrilaterals
Sequences and Series